medium
4.4
Advisory Published
CVE Published
Updated

CVE-2023-21940

First published: Tue Apr 18 2023(Updated: )

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Components Services). Supported versions that are affected are 8.0.32 and prior. Difficult to exploit vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. CVSS 3.1 Base Score 4.4 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H).

Credit: secalert_us@oracle.com secalert_us@oracle.com secalert_us@oracle.com

Affected SoftwareAffected VersionHow to fix
ubuntu/mysql-8.0<8.0.33-0ubuntu0.20.04.1
8.0.33-0ubuntu0.20.04.1
ubuntu/mysql-8.0<8.0.33-0ubuntu0.22.04.1
8.0.33-0ubuntu0.22.04.1
ubuntu/mysql-8.0<8.0.33-0ubuntu0.22.10.1
8.0.33-0ubuntu0.22.10.1
ubuntu/mysql-8.0<8.0.33-0ubuntu0.23.04.1
8.0.33-0ubuntu0.23.04.1
ubuntu/mysql-8.0<8.0.33
8.0.33
debian/mysql-8.0<=8.0.32-1
Oracle Mysql Server>=8.0.0<=8.0.32
redhat/mysql<8.0.33
8.0.33
Fedoraproject Fedora=37
Fedoraproject Fedora=38
Fedoraproject Fedora=39
Netapp Active Iq Unified Manager Vmware Vsphere
Netapp Active Iq Unified Manager Windows
NetApp OnCommand Insight
NetApp OnCommand Workflow Automation
Netapp Snapcenter

Remedy

https://www.oracle.com/security-alerts/cpuapr2023.html

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is CVE-2023-21940?

    CVE-2023-21940 is a vulnerability in the MySQL Server product of Oracle MySQL that allows a high privileged attacker with network access to compromise the MySQL Server.

  • Which versions of Oracle MySQL are affected by CVE-2023-21940?

    Versions 8.0.32 and prior are affected by CVE-2023-21940.

  • What is the severity of CVE-2023-21940?

    CVE-2023-21940 has a severity score of 4.4 (medium).

  • How can a high privileged attacker exploit CVE-2023-21940?

    A high privileged attacker with network access can exploit CVE-2023-21940 through multiple protocols to compromise the MySQL Server.

  • How can I fix CVE-2023-21940?

    To fix CVE-2023-21940, update your Oracle MySQL Server to version 8.0.33 or later.

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